Cisco 642-971 Exam Information and Actual Questions
- Exam Code/Number: 642-971
- Exam Name/Title: Data Center Networking Infrastructure Design Specialist
- Certification Provider: Cisco
- Corresponding Certification: Others
- Exam Questions: 120
- Updated On: Jul 24, 2026
642-971
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Cisco
642-971 Exam
Data Center Networking Infrastructure Design Specialist
This exam has been stopped to register, new exam code replace: 642-991
Cisco 642-971 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Cisco Data Center Networking Infrastructure Design (DCNID) |
| Exam Number: | 642-971 |
| Available Languages: | English |
| Certificate Validity Period: | 2 years |
| Exam Duration: | 90 minutes |
| Related Certifications: | CCNP Data Center Cisco Data Center Design Specialist |
| Passing Score: | 750-850 / 1000 (not officially published) |
| Exam Price: | Approx. $150-$200 USD |
| Exam Format: | Multiple Choice (Single/Multiple Answer), Drag-and-Drop |
| Real Exam Qty: | 65-75 |
| Recommended Training: | CDCNID v1.0: Cisco Data Center Networking Infrastructure Design |
| Exam Registration: | Pearson VUE (historical) |
| Sample Questions: | Cisco 642-971 Sample Questions |
| Exam Way: | Proctored onsite exam at Pearson VUE centers; retired effective December 30, 2011 |
| Pre Condition: | Recommended knowledge: Introducing Cisco Data Center Networking (DCICN), Introducing Cisco Data Center Technologies (DCICT) |
| Official Syllabus URL: | Retired exam, no longer available; originally at https://learningcontent.cisco.com/ |
Cisco 642-971 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Data Center Interconnect & Security | 15% | - Design for scalability and resilience - Access control and security best practices - DCI options and requirements |
| Topic 2: Network Services & Virtualization | 15% | - Management and monitoring design - Device virtualization and context design - Network virtualization concepts - Basic QoS and traffic management |
| Topic 3: Layer 2 Technologies Design | 25% | - Fabric Extender (FEX) integration - Spanning Tree Protocol enhancements - EtherChannel and virtual port channels (vPC) - VLANs, VTP, private VLANs design |
| Topic 4: Layer 3 & Routing Design | 25% | - OSPF, EIGRP, IS-IS design for data center - High availability and convergence design - First-hop redundancy protocols (HSRP, VRRP, GLBP) - BGP and route summarization |
| Topic 5: Data Center Network Architecture Overview | 20% | - Modular and hierarchical design principles - Data center traffic patterns and requirements - Cisco Nexus product portfolio positioning |
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